Check to see if your pilot light is producing a height appropriate blue and yellow flame.
Direct vent fireplace wind noise.
If logs aren t stacked in the correct position or are stacked too high the fireplace won t vent properly.
A chimney balloon is placed inside the chimney and is then inflated.
Examine your gas pressure.
Many people wonder what the bump sound is that happens a few minutes after you turn on the direct vent fireplace and a few minutes after you shut it off.
A chimney balloon and a flue blocker are two fast and easy solutions.
It helps if you clean and inspect your vents regularly.
Direct vent appliances are typically higher in efficiency than b vent appliances and put out a lot of heat even with a low flame setting.
Because the unit is made of thin wall stainless steel the metal expands when heated and contracts when cooling causing the metal to flex and sometimes make a bump noise.
If it s cracked the metal chimney will amplify the wind noise even further.
Burners might make a deep hollow sound if there are changes or disruptions.
This prevents creosote build up and smoky conditions.
Q a on wind problems with direct side wall vent chimneys flues faqs on wind at a direct vent exhaust questions answers about the installation or diagnosis of sidewall vent or direct vent chimney or flue exhaust systems for heating appliances.
Well i m not quite sure that there s a good solution for this because the specifications for where those vents you have what s called a direct vent fireplace and by the way we strongly recommend those over the ventless fireplaces that dump the combustion gas back in the house which is pretty unhealthy for a bunch of reasons.
It gets rid of the noise keeps the cold air out and the warm air inside.
The point being seal any cracks in the chimney that allow the sound to zig zag through it.
Direct fireplaces have a sealed glass front and typically a smaller flame than a b vent fireplace or a vent free fireplace.
The position and look of the logs in the fireplace cannot be altered or.
Oil gas other fuels firing heating appliances fireplaces.
A flue blocker works in the same way except it s easier to install than the chimney balloon.
That s called structural or impact noise in soundproofing jargon because the sound is produced by the vibrating structure.